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Finding the Fourth Proportional to 27,377.52, 40,871.82 and 26,405.52

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Solution

The fourth proportional to 27,377.52, 40,871.82 and 26,405.52 is: 39,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.52 : 40,871.82 = 26,405.52 : x
  2. Step 2: Convert to fraction form
    27,377.52/40,871.82 = 26,405.52/x
  3. Step 3: Cross multiply
    27,377.52x = 40,871.82 × 26,405.52
  4. Step 4: Simplify right side
    27,377.52x = 1,079,241,660.45
  5. Step 5: Solve for x
    x = 1,079,241,660.45/27,377.52
  6. Step 6: Final answer
    x = 39,420.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.